Abstract
Ropalidia marginata is a primitively eusocial polistine wasp in which, although there is only one queen at any given time, frequent queen replacements lead to a system of serial polygyny. One of the most striking features of this system, is the enormous variation in the success of different queens. Measuring queen success as queen tenure, total number of offspring produced, number of offspring produced per day of tenure, and proportion of eggs laid that develop into adults, we show here that each measure of queen success is correlated with worker-brood genetic relatedness and not correlated with worker: brood ratio or the age of the queen at takeover. We interpret these results as meaning that queens are better able to obtain the cooperation of workers when worker-brood genetic relatedness is high.
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Gadagkar, R., Chandrashekara, K., Chandran, S. et al. Queen success is correlated with worker-brood genetic relatedness in a primitively eusocial wasp (Ropalidia marginata). Experientia 49, 714–717 (1993). https://doi.org/10.1007/BF01923958
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DOI: https://doi.org/10.1007/BF01923958